APA (7th ed.) Citation

Blackburn, P., Gardent, C., & Meyer-Viol, W. (1993). Talking about trees. ILLC.

Chicago Style (17th ed.) Citation

Blackburn, Patrick, Claire Gardent, and Wilfried Meyer-Viol. Talking About Trees. Amsterdam: ILLC, 1993.

MLA (9th ed.) Citation

Blackburn, Patrick, et al. Talking About Trees. ILLC, 1993.